4??[(4′??Methylphenyl) sulfonyl]??1??(triphenylphosphoranylidene)??2??butanone as a New Four??Carbon Synthon for Substituted Divinyl Ketones

A Barco, S Benetti, CD Risi, P Marchetti…

Index: Barco, Achille; Benetti, Simonetta; Risi, Carmela De; Marchetti, Paolo; Pollini, Gian Piero; Zanirato, Vinicio European Journal of Organic Chemistry, 2001 , p. 975 - 986

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Citation Number: 18

Abstract

Abstract The title compound and the corresponding anion have been conveniently used as precursors of substituted divinylketones in both carbo-and heterocyclization reactions in one- pot, three-step sequences leading to a wide variety of substituted carbo-and heterocyclic ring systems, as well as to multifunctionalized linear carbon frameworks. The compounds generated through the use of this multi-coupling reagent represent useful synthons for the ...

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